किरण प्रकाशिकी एवं प्रकाशिक यंत्र | Class 12 NCERT भौतिक विज्ञान | 10 AM Class By Shubham Sir | L1 |

NEET 2020 - Revision In 60 Days | NCERT Class 12 Molecular Basis of Inheritance Part -1 | NEET Biology

NEET 2020 - Revision In 30 Days | NCERT Class 12 Chapter 1 Reproduction In Organisms - Quick Revision | NEET Biology

NEET 2020 - Revision In 60 Days | NCERT Class 12 Principle of Inheritance and Variation Part -1 | NEET Biology

Class 12 Maths | Chapter 1 | संबंध एवं फलन | Important Questions | Quick Revision

Class 10 Science (Hindi) | Chapter 1 | रासायनिक अभिक्रियाएँ एवं समीकरण | Important Questions | Quick Revision

Class 12 Chemistry | Chapter 10 | Haloalkanes and Haloarenes | Important Questions | CBSE Boards Revision | Part 1

Thirty children were asked about the number of hours they watched TV programmes in the previous week. The results were found as follows: 1 6 2 3 5 12 5 8 4 8 10 3 4 12 2 8 15 1 17 6 3 2 8 5 9 6 8 7 14 12 (i) Make a grouped frequency distribution table for this data, taking class width 5 and one of the class intervals as 5 - 10. (ii) How many children watched television for 15 or more hours a week?

Draw a histogram to represent the following information : Scale : X-axis : 1 cm = Rs. 2, Y-axis : 1 cm = 5 MF {:("Class Nav (Rs.)",10-12,12-14,14-16,16-18),("Number of MF"," "40," "30," "25," "20):}